SYMPTOMS
When you try to switch tasks by pressing ALT+TAB, the
operating system may stop unexpectedly, and you may receive an error message
similar to the following:
PAGE_FAULT_IN_NONPAGED_AREA
0x00000050 (0xA2958ECC,
0x00000000, 0xA0064601, 0x00000001)
RESOLUTION
Service Pack Information
To resolve this problem, obtain the latest service pack for Microsoft Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
260910 How to Obtain the Latest Windows 2000 Service Pack
Hotfix Information
A supported fix is now available
from Microsoft, but it is only intended to correct the problem that is
described in this article. Apply it only to computers that are experiencing
this specific problem. This fix may receive additional testing. Therefore, if
you are not severely affected by this problem, Microsoft recommends that you
wait for the next Windows 2000 service pack that contains this hotfix.
To
resolve this problem immediately, contact Microsoft Product Support Services to
obtain the fix. For a complete list of Microsoft Product Support Services phone
numbers and information about support costs, visit the following Microsoft Web
site:
NOTE: In special cases, charges that are ordinarily incurred for
support calls may be canceled if a Microsoft Support Professional determines
that a specific update will resolve your problem. The typical support costs
will apply to additional support questions and issues that do not qualify for
the specific update in question.
The English version of
this fix has the file attributes (or later) that are listed in the following
table. The dates and times for these files are listed in coordinated universal
time (UTC). When you view the file information, it is converted to local time.
To find the difference between UTC and local time, use the
Time Zone tab in the Date and Time tool in Control Panel.
Date Time Version Size File name
--------------------------------------------------------
22-Nov-2002 17:54 5.0.2195.5265 42,256 Basesrv.dll
22-Nov-2002 17:54 5.0.2195.5907 222,992 Gdi32.dll
22-Nov-2002 17:54 5.0.2195.6137 709,392 Kernel32.dll
22-Nov-2002 17:54 5.0.2195.6090 332,560 Msgina.dll
22-Nov-2002 17:54 5.0.2195.6097 379,664 User32.dll
22-Nov-2002 17:54 5.0.2195.6085 370,448 Userenv.dll
22-Nov-2002 17:53 5.0.2195.6139 1,643,344 Win32k.sys
29-Oct-2002 10:59 5.0.2195.6108 179,472 Winlogon.exe
22-Nov-2002 17:54 5.0.2195.6097 243,472 Winsrv.dll